package bookstudytest;

/**
 * Created by swordbone on 2017/11/17.
 */
public class Hello {
    private String a = "private";
    public String b = "public";
    String c= "default";
    protected String d= "protected";
    public static void main(String args[]){
        System.out.println("大家好");
    }
    private void aa(){
        System.out.println("private");
    }
    public void bb(){
        System.out.println("public");
    }
     void cc(){
        System.out.println("default");
    }
    protected void dd(){
        System.out.println("protected");
    }
}
